EP3326832A3 - Counterfeit prevention structure and manufacturing method therefor - Google Patents

Counterfeit prevention structure and manufacturing method therefor Download PDF

Info

Publication number
EP3326832A3
EP3326832A3 EP17209888.1A EP17209888A EP3326832A3 EP 3326832 A3 EP3326832 A3 EP 3326832A3 EP 17209888 A EP17209888 A EP 17209888A EP 3326832 A3 EP3326832 A3 EP 3326832A3
Authority
EP
European Patent Office
Prior art keywords
counterfeit prevention
prevention structure
manufacturing
method therefor
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17209888.1A
Other languages
German (de)
French (fr)
Other versions
EP3326832B1 (en
EP3326832A2 (en
Inventor
Kazuhiro Yashiki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of EP3326832A2 publication Critical patent/EP3326832A2/en
Publication of EP3326832A3 publication Critical patent/EP3326832A3/en
Application granted granted Critical
Publication of EP3326832B1 publication Critical patent/EP3326832B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/445—Marking by removal of material using chemical means, e.g. etching
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0252—Laminate comprising a hologram layer
    • G03H1/0256—Laminate comprising a hologram layer having specific functional layer
    • B42D2033/18—
    • B42D2033/24—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2250/00—Laminate comprising a hologram layer
    • G03H2250/36—Conform enhancement layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Credit Cards Or The Like (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)

Abstract

A counterfeit prevention structure (10) includes a fine-relief-formation layer (11) which is provided with a first area (13) having an optical element that includes a relief structure whose depth-to-width ratio that is a ratio of a depth relative to a width is not less than a first value, and a second area (14) having an optical element that includes a relief structure whose depth-to-width ratio is less than the first value. The counterfeit prevention structure (10) further includes a reflective layer (12) that is arranged on the relief structure included in the area having the lower light transmittance among the first and second areas (13;14).
EP17209888.1A 2012-11-19 2013-11-14 Counterfeit prevention structure and manufacturing method therefor Active EP3326832B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012253291 2012-11-19
EP13855630.3A EP2921888B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor
PCT/JP2013/080819 WO2014077329A1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP13855630.3A Division-Into EP2921888B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor
EP13855630.3A Division EP2921888B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor

Publications (3)

Publication Number Publication Date
EP3326832A2 EP3326832A2 (en) 2018-05-30
EP3326832A3 true EP3326832A3 (en) 2018-07-25
EP3326832B1 EP3326832B1 (en) 2022-04-06

Family

ID=50731238

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13855630.3A Active EP2921888B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor
EP17209888.1A Active EP3326832B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure and manufacturing method therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13855630.3A Active EP2921888B1 (en) 2012-11-19 2013-11-14 Counterfeit prevention structure body and fabrication method therefor

Country Status (5)

Country Link
US (2) US20150253729A1 (en)
EP (2) EP2921888B1 (en)
JP (1) JP6476863B2 (en)
CN (1) CN104704401B (en)
WO (1) WO2014077329A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3246735B1 (en) 2015-01-15 2021-05-26 Toppan Printing Co., Ltd. Optical element, article, and method for manufacturing optical element
GB2549481B (en) * 2016-04-18 2019-06-05 De La Rue Int Ltd Security devices and methods of manufacture thereof
CN108454266B (en) * 2017-02-20 2020-09-29 中钞特种防伪科技有限公司 Optical anti-counterfeiting element and optical anti-counterfeiting product
GB201704495D0 (en) * 2017-03-22 2017-05-03 La Rue Int Ltd Methods of manufacturing security devices and image arrays therefor
AT520011B1 (en) * 2017-05-16 2019-10-15 Hueck Folien Gmbh Method for producing a security element and security element produced by this method and its use
GB2566975B (en) 2017-09-29 2020-03-25 De La Rue Int Ltd Security Device And Method Of Manufacture Thereof
CN109291673B (en) * 2018-09-25 2020-08-11 武汉华工图像技术开发有限公司 Accurately aluminized patterned holographic anti-counterfeiting device and preparation method thereof
CN111890817B (en) * 2019-05-05 2022-03-22 中钞特种防伪科技有限公司 Optical anti-fake element with multiple layers of coatings and manufacturing method thereof
JP6784315B1 (en) * 2019-09-19 2020-11-11 凸版印刷株式会社 Transfer foil and its manufacturing method
AT523393B1 (en) * 2020-04-06 2021-08-15 Hueck Folien Gmbh Process for the production of a security element with a colored microstructure
CN113147215B (en) * 2021-05-24 2022-11-29 中钞印制技术研究院有限公司 Transparent anti-counterfeiting element, manufacturing method and detection method thereof, detection equipment thereof and security article
CN113173022B (en) * 2021-05-24 2022-10-04 中钞印制技术研究院有限公司 Transparent anti-counterfeiting element, manufacturing method and detection method thereof, detection equipment thereof and security article

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008017362A2 (en) * 2006-08-09 2008-02-14 Ovd Kinegram Ag Method for producing a multi-layer body, and multi-layer body
EP1972462A2 (en) * 2007-01-05 2008-09-24 Giesecke & Devrient GmbH Method for producing security foils
WO2009083151A1 (en) * 2007-12-21 2009-07-09 Giesecke & Devrient Gmbh Security element
WO2011057739A1 (en) * 2009-11-11 2011-05-19 Giesecke & Devrient Gmbh Production of a security element provided with colored micro-depressions
EP2444826A1 (en) * 2009-06-18 2012-04-25 Toppan Printing Co., Ltd. Optical device and method of manufacturing the same

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JPH0237543A (en) 1988-07-26 1990-02-07 Fujitsu Ltd Production of optical disk substrate
EP1152369B1 (en) * 1999-09-17 2007-03-21 Dai Nippon Printing Co., Ltd. Information recorded medium, device for reading the information, information recorded medium transfer foil, and method for producing information recorded medium
JP2003255115A (en) 2002-03-06 2003-09-10 Toppan Printing Co Ltd Diffraction structure formation body with patterned metal reflecting layer and its manufacturing method, diffraction structure transfer foil, diffraction structure sticker, and information recording medium with diffraction structure
DE102005006231B4 (en) 2005-02-10 2007-09-20 Ovd Kinegram Ag Method for producing a multilayer body
JP5386774B2 (en) 2005-09-20 2014-01-15 東レ株式会社 Surface-formable sheet laminate, surface-forming method and molded product using the same
JP2007115356A (en) 2005-10-21 2007-05-10 Toppan Printing Co Ltd Optical disk and its manufacturing method
ES2586215T5 (en) * 2006-06-28 2020-05-11 Visual Physics Llc Micro-optical security and image presentation system
JP5169083B2 (en) * 2007-09-05 2013-03-27 凸版印刷株式会社 Anti-counterfeit laminate, anti-counterfeit transfer foil, anti-counterfeit seal, anti-counterfeit medium, and methods for producing these
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Patent Citations (5)

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WO2008017362A2 (en) * 2006-08-09 2008-02-14 Ovd Kinegram Ag Method for producing a multi-layer body, and multi-layer body
EP1972462A2 (en) * 2007-01-05 2008-09-24 Giesecke & Devrient GmbH Method for producing security foils
WO2009083151A1 (en) * 2007-12-21 2009-07-09 Giesecke & Devrient Gmbh Security element
EP2444826A1 (en) * 2009-06-18 2012-04-25 Toppan Printing Co., Ltd. Optical device and method of manufacturing the same
WO2011057739A1 (en) * 2009-11-11 2011-05-19 Giesecke & Devrient Gmbh Production of a security element provided with colored micro-depressions

Also Published As

Publication number Publication date
EP2921888B1 (en) 2018-10-17
JP6476863B2 (en) 2019-03-06
CN104704401A (en) 2015-06-10
CN104704401B (en) 2017-09-26
US20190086588A1 (en) 2019-03-21
EP3326832B1 (en) 2022-04-06
EP2921888A4 (en) 2016-10-19
JPWO2014077329A1 (en) 2017-01-05
EP2921888A1 (en) 2015-09-23
US20150253729A1 (en) 2015-09-10
EP3326832A2 (en) 2018-05-30
WO2014077329A1 (en) 2014-05-22

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